diff options
Diffstat (limited to 'include/asm-i386/desc.h')
| -rw-r--r-- | include/asm-i386/desc.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/asm-i386/desc.h b/include/asm-i386/desc.h index 11e6781..9a0b85a 100644 --- a/include/asm-i386/desc.h +++ b/include/asm-i386/desc.h @@ -30,6 +30,16 @@ extern struct Xgt_desc_struct idt_descr, cpu_gdt_descr[NR_CPUS]; #define load_TR_desc() __asm__ __volatile__("ltr %%ax"::"a" (GDT_ENTRY_TSS*8)) #define load_LDT_desc() __asm__ __volatile__("lldt %%ax"::"a" (GDT_ENTRY_LDT*8)) +#define load_gdt(dtr) __asm__ __volatile("lgdt %0"::"m" (*dtr)) +#define load_idt(dtr) __asm__ __volatile("lidt %0"::"m" (*dtr)) +#define load_tr(tr) __asm__ __volatile("ltr %0"::"mr" (tr)) +#define load_ldt(ldt) __asm__ __volatile("lldt %0"::"mr" (ldt)) + +#define store_gdt(dtr) __asm__ ("sgdt %0":"=m" (*dtr)) +#define store_idt(dtr) __asm__ ("sidt %0":"=m" (*dtr)) +#define store_tr(tr) __asm__ ("str %0":"=mr" (tr)) +#define store_ldt(ldt) __asm__ ("sldt %0":"=mr" (ldt)) + /* * This is the ldt that every process will get unless we need * something other than this. |